From 7747e2ad9a86c2307094cd4ca3f753e46329c7a5 Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Sun, 5 Jun 2016 16:44:39 +0200
Subject: [PATCH] plugin.h: Introduce the identifier_t type with pointer
 fields.

This serves two purposes:
 - Allow field values of arbitrary length.
 - Reuse the identifier in other places.

Renamed identifier_t from utils_vl_lookup to lookup_identifier_t.
---
 src/aggregation.c          |  4 ++--
 src/daemon/plugin.h        | 10 ++++++++++
 src/utils_vl_lookup.c      |  6 +++---
 src/utils_vl_lookup.h      |  6 +++---
 src/utils_vl_lookup_test.c | 14 +++++++-------
 5 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/src/aggregation.c b/src/aggregation.c
index 2744c89e..bb37b858 100644
--- a/src/aggregation.c
+++ b/src/aggregation.c
@@ -38,7 +38,7 @@
 
 struct aggregation_s /* {{{ */
 {
-  identifier_t ident;
+  lookup_identifier_t ident;
   unsigned int group_by;
 
   unsigned int regex_fields;
@@ -62,7 +62,7 @@ typedef struct agg_instance_s agg_instance_t;
 struct agg_instance_s /* {{{ */
 {
   pthread_mutex_t lock;
-  identifier_t ident;
+  lookup_identifier_t ident;
 
   int ds_type;
 
diff --git a/src/daemon/plugin.h b/src/daemon/plugin.h
index de42c068..c4cf566d 100644
--- a/src/daemon/plugin.h
+++ b/src/daemon/plugin.h
@@ -81,6 +81,16 @@
 /*
  * Public data types
  */
+struct identifier_s
+{
+	char *host;
+	char *plugin;
+	char *plugin_instance;
+	char *type;
+	char *type_instance;
+};
+typedef struct identifier_s identifier_t;
+
 typedef unsigned long long counter_t;
 typedef double gauge_t;
 typedef int64_t derive_t;
diff --git a/src/utils_vl_lookup.c b/src/utils_vl_lookup.c
index 2ca9ddf8..226ba0ba 100644
--- a/src/utils_vl_lookup.c
+++ b/src/utils_vl_lookup.c
@@ -85,7 +85,7 @@ typedef struct user_obj_s user_obj_t;
 struct user_obj_s
 {
   void *user_obj;
-  identifier_t ident;
+  lookup_identifier_t ident;
 
   user_obj_t *next;
 };
@@ -175,7 +175,7 @@ static int lu_copy_ident_to_match_part (part_match_t *match_part, /* {{{ */
 } /* }}} int lu_copy_ident_to_match_part */
 
 static int lu_copy_ident_to_match (identifier_match_t *match, /* {{{ */
-    identifier_t const *ident, unsigned int group_by)
+    lookup_identifier_t const *ident, unsigned int group_by)
 {
   memset (match, 0, sizeof (*match));
 
@@ -609,7 +609,7 @@ void lookup_destroy (lookup_t *obj) /* {{{ */
 } /* }}} void lookup_destroy */
 
 int lookup_add (lookup_t *obj, /* {{{ */
-    identifier_t const *ident, unsigned int group_by, void *user_class)
+    lookup_identifier_t const *ident, unsigned int group_by, void *user_class)
 {
   by_type_entry_t *by_type = NULL;
   user_class_list_t *user_class_obj;
diff --git a/src/utils_vl_lookup.h b/src/utils_vl_lookup.h
index 1d01ebdf..e46e7637 100644
--- a/src/utils_vl_lookup.h
+++ b/src/utils_vl_lookup.h
@@ -53,7 +53,7 @@ typedef void (*lookup_free_class_callback_t) (void *user_class);
  * freed. */
 typedef void (*lookup_free_obj_callback_t) (void *user_obj);
 
-struct identifier_s
+struct lookup_identifier_s
 {
   char host[DATA_MAX_NAME_LEN];
   char plugin[DATA_MAX_NAME_LEN];
@@ -61,7 +61,7 @@ struct identifier_s
   char type[DATA_MAX_NAME_LEN];
   char type_instance[DATA_MAX_NAME_LEN];
 };
-typedef struct identifier_s identifier_t;
+typedef struct lookup_identifier_s lookup_identifier_t;
 
 #define LU_GROUP_BY_HOST            0x01
 #define LU_GROUP_BY_PLUGIN          0x02
@@ -80,7 +80,7 @@ lookup_t *lookup_create (lookup_class_callback_t,
 void lookup_destroy (lookup_t *obj);
 
 int lookup_add (lookup_t *obj,
-    identifier_t const *ident, unsigned int group_by, void *user_class);
+    lookup_identifier_t const *ident, unsigned int group_by, void *user_class);
 
 /* TODO(octo): Pass lookup_obj_callback_t to lookup_search()? */
 int lookup_search (lookup_t *obj,
diff --git a/src/utils_vl_lookup_test.c b/src/utils_vl_lookup_test.c
index 44660638..b3765e9f 100644
--- a/src/utils_vl_lookup_test.c
+++ b/src/utils_vl_lookup_test.c
@@ -32,8 +32,8 @@
 static _Bool expect_new_obj = 0;
 static _Bool have_new_obj = 0;
 
-static identifier_t last_class_ident;
-static identifier_t last_obj_ident;
+static lookup_identifier_t last_class_ident;
+static lookup_identifier_t last_obj_ident;
 
 static data_source_t dsrc_test = { "value", DS_TYPE_DERIVE, 0.0, NAN };
 static data_set_t const ds_test = { "test", 1, &dsrc_test };
@@ -45,8 +45,8 @@ static int lookup_obj_callback (data_set_t const *ds,
     value_list_t const *vl,
     void *user_class, void *user_obj)
 {
-  identifier_t *class = user_class;
-  identifier_t *obj = user_obj;
+  lookup_identifier_t *class = user_class;
+  lookup_identifier_t *obj = user_obj;
 
   OK1(expect_new_obj == have_new_obj,
       (expect_new_obj ? "New obj is created." : "Updating existing obj."));
@@ -63,8 +63,8 @@ static int lookup_obj_callback (data_set_t const *ds,
 static void *lookup_class_callback (data_set_t const *ds,
     value_list_t const *vl, void *user_class)
 {
-  identifier_t *class = user_class;
-  identifier_t *obj;
+  lookup_identifier_t *class = user_class;
+  lookup_identifier_t *obj;
 
   assert (expect_new_obj);
 
@@ -88,7 +88,7 @@ static int checked_lookup_add (lookup_t *obj, /* {{{ */
     char const *type, char const *type_instance,
     unsigned int group_by)
 {
-  identifier_t ident;
+  lookup_identifier_t ident;
   void *user_class;
 
   strncpy (ident.host, host, sizeof (ident.host));
-- 
2.11.0